This wet fly pattern was part of a commercial custom order I tied for Fishing Creek Angler Fly Shop and Bed & Breakfast in Benton, Pennsylvania. These flies and some of the others here in this series were tied in the late summer of 2009.
Olive Dun:
Hook: Standard Ox long wet fly hook, size #6 – #12; these are vintage Mustad 3399, ball-eye, Sproat bend
Thread: Danville Flymaster 6/0 #100 Black
Tail: Olive hackle fibers
Body: Olive rabbit dubbing
Hackle: Olive hackle fibers
Wing: Slate – natural mallard wing quill sections
Head: Black. This fly could also be tied with olive thread.